Plumbing)

Mechanical Engineering and Construction Corporation•Ashburn, VA

14h•Onsite

About The Position

Assistant Project Manager (HVAC / Construction / Plumbing) Office-Based | Experienced | Non-Union Provides comprehensive project coordination and administrative support to Project Managers overseeing HVAC, construction, and plumbing projects. Ensures projects progress efficiently from pre-construction through closeout by managing documentation, schedules, vendor coordination, and communication across internal teams and external partners.

Requirements

Proven experience supporting HVAC, plumbing, or construction projects in an office or field-based role
Strong understanding of construction workflows, terminology, and documentation
Highly organized with the ability to manage multiple active projects simultaneously
Excellent written and verbal communication skills
Proficient in Microsoft Office and construction/project management software
Detail-oriented with strong follow-through and problem-solving abilities

Responsibilities

Support Project Managers in planning and execution of HVAC, plumbing, and construction projects from bid award through completion
Prepare, track, and maintain project documentation including contracts, submittals, RFIs, change orders, pay applications, and closeout packages
Coordinate with field supervisors, subcontractors, vendors, and suppliers to ensure timely material procurement and job readiness
Track project schedules, milestones, and deliverables; flag potential delays or conflicts proactively
Assist with budgeting, job cost tracking, change order pricing support, and invoice processing
Maintain organized project files in accordance with company standards and compliance requirements
Support permitting, inspections, and documentation required for HVAC and plumbing scopes
Serve as a liaison between office staff, field teams, vendors, and customers to ensure clear communication
Generate project reports, logs, and status updates for management
Ensure project documentation aligns with safety, quality, and contractual requirements
Assist with project closeout including warranty documentation, O&M manuals, as-built drawings, and final billing